/* roulang page: index */
:root{
  --c-primary:#1A6BD4;
  --c-primary-dark:#0E4FA8;
  --c-primary-soft:#E8F1FE;
  --c-accent:#F59A1F;
  --c-accent-soft:#FEF3E2;
  --c-teal:#12A594;
  --c-bg:#F6F9FD;
  --c-surface:#FFFFFF;
  --c-border:#E3EBF5;
  --c-text:#101B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8595A8;
  --c-success:#16A34A;
  --c-warn:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
  --sh-2:0 12px 32px rgba(26,107,212,.14);
  --tr:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#1A6BD4;
  --bs-primary-rgb:26,107,212;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#101B2D;
  --bs-body-bg:#F6F9FD;
  --bs-border-radius:10px;
  --bs-border-color:#E3EBF5;
  --bs-link-color:#1A6BD4;
  --bs-link-hover-color:#0E4FA8;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
button,input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 4px #fff;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.98);border-bottom:1px solid var(--c-border);transition:box-shadow var(--tr),background var(--tr)}
.site-header.is-stuck{background:rgba(255,255,255,.96);box-shadow:var(--sh-1)}
.brandbar{display:flex;align-items:center;gap:20px;height:60px}
.site-header.is-stuck .brandbar{height:52px;transition:height var(--tr)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-text);text-decoration:none}
.brand:hover{text-decoration:none;color:var(--c-text)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(180deg,var(--c-primary),var(--c-primary-dark));display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--c-primary)}
.channel-row{display:flex;align-items:center;gap:8px;height:48px;border-top:1px solid var(--c-border)}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto}
.channel-nav::-webkit-scrollbar{display:none}
.nav-item-link{display:inline-flex;align-items:center;height:48px;padding:0 12px;font-size:15px;font-weight:500;color:var(--c-text-2);white-space:nowrap;border-bottom:2px solid transparent;transition:color var(--tr),background var(--tr),border-color var(--tr);text-decoration:none;position:relative}
.nav-item-link:hover{color:var(--c-primary);background:var(--c-primary-soft);border-radius:8px 8px 0 0;text-decoration:none}
.nav-item-link.active{color:var(--c-primary);border-bottom-color:var(--c-primary);font-weight:600}
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hot-words{display:flex;align-items:center;gap:6px}
.hot-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--c-text-2);background:#fff;border:1px solid var(--c-border);border-radius:999px;padding:4px 10px;transition:all var(--tr);text-decoration:none}
.hot-pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}
.hot-pill i{font-size:6px;color:var(--c-accent)}
.hot-pill.teal i{color:var(--c-teal)}
.search-toggle{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-border);background:#fff;color:var(--c-text-2);display:inline-flex;align-items:center;justify-content:center;transition:all var(--tr);cursor:pointer}
.search-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.search-form{display:none;align-items:center}
.search-form.open{display:flex}
.search-form input{height:38px;width:220px;border:1px solid var(--c-border);border-radius:10px;padding:0 12px;font-size:14px;background:#fff;color:var(--c-text)}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.menu-toggle{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--c-border);background:#fff;color:var(--c-text);align-items:center;justify-content:center;font-size:15px;cursor:pointer}
.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--c-border);padding:16px 0 22px}
.mobile-drawer.open{display:block}
.mobile-drawer .m-search{display:flex;gap:8px;margin-bottom:14px}
.mobile-drawer .m-search input{flex:1;height:44px;border:1px solid var(--c-border);border-radius:10px;padding:0 14px;font-size:15px}
.mobile-drawer .m-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.mobile-drawer .m-link{display:flex;align-items:center;justify-content:space-between;height:44px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-border);text-decoration:none}
.mobile-drawer .m-link.active{color:var(--c-primary);font-weight:600}
.mobile-drawer .m-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
@media (max-width:1199.98px){.hot-words{display:none}}
@media (max-width:991.98px){
  .channel-row{display:none}
  .menu-toggle{display:inline-flex}
  .header-tools .search-form{display:none!important}
  .brand-text{font-size:15px}
}

/* ============ 倒计时横条 ============ */
.countdown-bar{background:var(--c-accent-soft);border-bottom:1px solid #F6E2C6}
.countdown-inner{display:flex;align-items:center;gap:20px;min-height:48px;padding:6px 0}
.cd-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#8A5307;flex:0 0 auto}
.cd-label i{color:var(--c-accent)}
.cd-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;flex:1 1 auto}
.cd-unit{display:flex;align-items:baseline;gap:3px}
.cd-num{display:inline-block;min-width:40px;text-align:center;background:#fff;border-radius:8px;padding:3px 6px;font-size:16px;font-weight:700;color:#8A5307;box-shadow:0 1px 2px rgba(138,83,7,.08)}
.cd-suffix{font-size:12px;color:#A9711F}
.cd-link{font-size:13px;color:#8A5307;display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;font-weight:600}
.cd-link:hover{color:#6E4103}
@media (max-width:767.98px){
  .countdown-inner{flex-wrap:wrap;min-height:64px;gap:8px 14px;padding:10px 0}
  .cd-clock{order:3;width:100%;justify-content:flex-start}
  .cd-link{margin-left:auto}
}

/* ============ Hero ============ */
.hero{padding:64px 0 56px;background:
  radial-gradient(900px 420px at 92% -10%, #E9F2FE 0%, rgba(233,242,254,0) 70%),
  var(--c-surface);
  border-bottom:1px solid var(--c-border)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:18px}
.hero-badge i{font-size:11px}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:16px}
.hero-sub{font-size:17px;color:var(--c-text-2);margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--r-btn);padding:0 22px;height:46px;border:1px solid transparent;cursor:pointer;transition:all var(--tr);text-decoration:none}
.btn-x:hover{text-decoration:none}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(26,107,212,.2)}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(26,107,212,.24)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#5A3605}
.btn-accent:hover{background:#E28A11;color:#4A2C03;transform:translateY(-1px);box-shadow:0 12px 26px rgba(245,154,31,.26)}
.btn-sm-x{height:38px;padding:0 16px;font-size:14px}
.hero-stats{display:flex;align-items:stretch;border-top:1px solid var(--c-border);padding-top:22px;gap:0}
.hero-stat{flex:1;padding-right:20px;border-right:1px solid var(--c-border)}
.hero-stat:last-child{border-right:0;padding-right:0;padding-left:20px}
.hero-stat:first-child{padding-left:0}
.hero-stat strong{display:block;font-size:24px;font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{font-size:12px;color:var(--c-text-3);display:block;margin-top:4px}
.hero-media{position:relative}
.hero-media img{width:100%;height:380px;object-fit:cover;border-radius:16px;background:var(--c-primary-soft)}
.hero-note{position:absolute;left:20px;right:20px;bottom:20px;background:#fff;border-radius:12px;box-shadow:var(--sh-1);padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.hero-note span{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--c-text-2);line-height:1.6}
.hero-note i{color:var(--c-success);margin-top:4px;font-size:12px}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:32px}
  .hero-media img{height:300px}
}
@media (max-width:767.98px){
  .hero{padding:36px 0 34px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-stats{flex-direction:column;gap:14px}
  .hero-stat{border-right:0;border-bottom:1px dashed var(--c-border);padding:0 0 12px 0}
  .hero-stat:last-child{border-bottom:0;padding:0}
  .hero-media img{height:230px}
}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section.alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{margin-bottom:34px}
.section-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sec-title{font-size:28px;font-weight:700;padding-left:16px;position:relative}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary)}
.sec-desc{font-size:15px;color:var(--c-text-2);margin-top:12px;max-width:760px}
.sec-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
@media (max-width:767.98px){
  .section{padding:32px 0}
  .sec-title{font-size:22px;padding-left:12px}
  .section-head{margin-bottom:22px}
}

/* ============ 编号时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding:0 22px}
.step:first-child{padding-left:0}
.step:last-child{padding-right:0}
.step::after{content:"";position:absolute;top:26px;left:0;right:50%;border-top:1px dashed #C8D9F0;z-index:0}
.step:first-child::after{display:none}
.step-num{position:relative;z-index:1;font-size:40px;font-weight:700;color:#BBD4F5;line-height:1;font-variant-numeric:tabular-nums;margin-bottom:16px;letter-spacing:-.02em}
.step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.75}
@media (max-width:991.98px){
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .step:nth-child(3)::after{display:none}
}
@media (max-width:767.98px){
  .steps{grid-template-columns:1fr;gap:24px}
  .step{padding:0}
  .step::after{display:none}
  .step-num{font-size:34px;margin-bottom:10px}
}

/* ============ 图墙 ============ */
.gallery{column-count:4;column-gap:20px}
.gal-item{position:relative;break-inside:avoid;margin-bottom:20px;border-radius:var(--r-img);overflow:hidden;background:var(--c-primary-soft);display:block}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.gal-item.tall img{height:330px}
.gal-item.mid img{height:230px}
.gal-item.small img{height:170px}
.gal-item::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(180deg,rgba(16,27,45,0),rgba(16,27,45,.62));opacity:0;transition:opacity var(--tr)}
.gal-item span{position:absolute;left:14px;right:14px;bottom:12px;color:#fff;font-size:14px;font-weight:500;z-index:2;opacity:0;transform:translateY(6px);transition:all var(--tr)}
.gal-item:hover img{transform:scale(1.04)}
.gal-item:hover::after,.gal-item:hover span{opacity:1;transform:translateY(0)}
.gal-item:hover{text-decoration:none}
@media (max-width:1199.98px){.gallery{column-count:3}}
@media (max-width:991.98px){.gallery{column-count:2}}
@media (max-width:767.98px){
  .gallery{column-count:1}
  .gal-item.tall img,.gal-item.mid img,.gal-item.small img{height:190px}
}

/* ============ 数据条 ============ */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.fact{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-1);transition:all var(--tr)}
.fact:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.28)}
.fact strong{display:block;font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.fact span{display:block;font-size:13px;color:var(--c-text-2);margin-top:6px}
@media (max-width:991.98px){.facts{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.facts{grid-template-columns:1fr}}

/* ============ 报名 CTA ============ */
.cta-panel{position:relative;overflow:hidden;border-radius:16px;background:var(--c-primary);padding:44px 40px;display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;color:#fff}
.cta-panel::before{content:"";position:absolute;inset:0;opacity:.06;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160' fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpath d='M0 120c26 0 26-32 52-32s26 32 52 32 26-32 56-32'/%3E%3Ccircle cx='42' cy='48' r='20'/%3E%3Ccircle cx='98' cy='48' r='20'/%3E%3C/svg%3E");background-size:200px 200px;pointer-events:none}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:26px;color:#fff;margin-bottom:12px}
.cta-panel p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.8}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{flex:1 1 200px;height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.32);background:#fff;padding:0 14px;font-size:15px;color:var(--c-text)}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.cta-form .btn-x{flex:0 0 auto;background:var(--c-accent);color:#5A3605}
.cta-form .btn-x:hover{background:#E28A11;color:#4A2C03}
.cta-tip{width:100%;font-size:12px;color:rgba(255,255,255,.75)}
.cta-msg{width:100%;font-size:13px;font-weight:600;color:#FFF3D6;display:none}
.cta-msg.show{display:block}
@media (max-width:991.98px){
  .cta-panel{grid-template-columns:1fr;gap:24px;padding:32px 24px}
  .cta-panel h2{font-size:22px}
}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all var(--tr);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.28)}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none}
.news-link:hover{color:inherit;text-decoration:none}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-badge{position:absolute;left:12px;top:12px;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;backdrop-filter:saturate(1.2)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14px;color:var(--c-text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;flex:1 1 auto}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3);border-top:1px solid var(--c-border);padding-top:12px}
.news-meta .t{display:inline-flex;align-items:center;gap:6px}
.news-meta .r{color:var(--c-primary);font-weight:600}
.news-empty{grid-column:1/-1;background:var(--c-surface);border:1px dashed var(--c-border);border-radius:var(--r-card);padding:56px 20px;text-align:center}
.news-empty i{font-size:26px;color:var(--c-text-3);margin-bottom:12px;display:block}
.news-empty p{font-size:15px;color:var(--c-text-2);margin-bottom:16px}
@media (max-width:991.98px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767.98px){.news-grid{grid-template-columns:1fr;gap:16px}}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.rules-list{border-top:1px solid var(--c-border)}
.rules-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--c-border);font-size:14px;color:var(--c-text-2);line-height:1.75}
.rules-list li i{color:var(--c-primary);margin-top:5px;font-size:12px;flex:0 0 auto}
.rules-note{margin-top:20px;background:var(--c-primary-soft);border-radius:var(--r-card);padding:16px 18px;font-size:13px;color:var(--c-text-2);line-height:1.75}
.rules-note strong{color:var(--c-primary-dark);display:block;margin-bottom:6px;font-size:14px}
.accordion-x .accordion-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card)!important;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.accordion-x .accordion-button{font-size:16px;font-weight:600;color:var(--c-text);padding:20px;background:#fff;box-shadow:none!important;border-radius:var(--r-card)!important;gap:12px}
.accordion-x .accordion-button:not(.collapsed){background:var(--c-primary-soft);color:var(--c-primary-dark);border-left:3px solid var(--c-primary)}
.accordion-x .accordion-button::after{background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;width:auto;height:auto;transition:transform var(--tr);color:var(--c-text-3)}
.accordion-x .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--c-primary)}
.accordion-x .accordion-body{padding:4px 20px 20px;font-size:15px;color:var(--c-text-2);line-height:1.85}
@media (max-width:991.98px){.faq-layout{grid-template-columns:1fr;gap:28px}}

/* ============ 页脚 ============ */
.site-footer{background:#EDF3FC;border-top:1px solid var(--c-border);padding:56px 0 0;margin-top:8px}
.footer-cols{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px}
.footer-brand strong{font-size:16px}
.footer-desc{font-size:14px;color:var(--c-text-2);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--c-text-2);text-decoration:none}
.footer-col ul a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--c-primary);margin-top:5px;font-size:13px}
.footer-line{height:1px;background:var(--c-border);margin:40px 0 0}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;font-size:13px;color:var(--c-text-3)}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:var(--c-text-3);font-size:13px}
.footer-links a:hover{color:var(--c-primary)}
@media (max-width:991.98px){.footer-cols{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.footer-cols{grid-template-columns:1fr}.site-footer{padding-top:36px}}

/* roulang page: article */
:root{
  --c-primary:#1A6BD4;
  --c-primary-dark:#0E4FA8;
  --c-primary-soft:#E8F1FE;
  --c-accent:#F59A1F;
  --c-accent-soft:#FEF3E2;
  --c-teal:#12A594;
  --c-bg:#F6F9FD;
  --c-surface:#FFFFFF;
  --c-border:#E3EBF5;
  --c-text:#101B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8595A8;
  --c-success:#16A34A;
  --c-warn:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
  --sh-2:0 12px 32px rgba(26,107,212,.14);
  --tx:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#1A6BD4;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#101B2D;
  --bs-border-radius:10px;
  --bs-link-color:#1A6BD4;
  --bs-link-hover-color:#0E4FA8;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tx);}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:575.98px){.container{padding:0 16px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--tx);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(16,27,45,.08);}
.brand-row{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:height var(--tx);
}
.site-header.is-stuck .brand-row{height:52px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text);text-decoration:none;min-width:0;}
.brand:hover{color:var(--c-text);text-decoration:none;}
.site-header .brand-mark{
  width:32px;height:32px;flex:none;
  border-radius:10px;
  background:linear-gradient(135deg,#1A6BD4,#0E4FA8);
  display:grid;place-items:center;
}
.site-header .brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-tools{display:flex;align-items:center;gap:10px;}
.hot-pills{display:flex;align-items:center;gap:14px;margin-right:4px;}
.hot-link{font-size:13px;color:var(--c-text-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.hot-link::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;}
.hot-link:nth-child(even)::before{background:var(--c-teal);}
.hot-link:hover{color:var(--c-primary);}
.icon-btn{
  width:38px;height:38px;flex:none;
  border-radius:var(--r-btn);
  border:1px solid var(--c-border);
  background:#fff;
  color:var(--c-text-2);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:all var(--tx);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:#BFD8F7;}
.search-box{
  display:flex;align-items:center;
  width:0;opacity:0;overflow:hidden;
  background:#fff;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  transition:width var(--tx),opacity var(--tx),border-color var(--tx);
}
.search-box.open{width:232px;opacity:1;border-color:var(--c-border);}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft);}
.search-box input{
  flex:1;border:0;outline:0;background:transparent;
  height:38px;padding:0 12px;font-size:14px;color:var(--c-text);min-width:0;
}
.search-box input::placeholder{color:var(--c-text-3);}
.search-box button{
  border:0;background:transparent;color:var(--c-primary);
  width:36px;height:38px;cursor:pointer;font-size:14px;
}
.nav-toggle{display:none;}
.channel-bar{border-top:1px solid var(--c-border);}
.channel-nav{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.nav-item-link{
  position:relative;
  flex:none;
  font-size:15px;
  color:var(--c-text-2);
  padding:8px 14px;
  border-radius:999px;
  white-space:nowrap;
  transition:all var(--tx);
}
.nav-item-link:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;}
.nav-item-link.active{color:var(--c-primary);font-weight:600;}
.nav-item-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
@media (max-width:1199.98px){
  .hot-pills{display:none;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .channel-bar{display:none;}
  .channel-bar.open{display:block;}
  .channel-nav{flex-direction:column;align-items:stretch;height:auto;gap:0;padding:6px 0 12px;}
  .nav-item-link{padding:12px 8px;border-radius:10px;border-bottom:1px solid var(--c-border);}
  .nav-item-link.active{background:var(--c-primary-soft);}
  .nav-item-link.active::after{display:none;}
}
@media (max-width:575.98px){
  .brand-text{font-size:15px;}
}

/* ============ 通用按钮 ============ */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all var(--tx);
  text-decoration:none;
}
.btn-main{background:var(--c-primary);color:#fff;}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);text-decoration:none;}
.btn-accent{background:var(--c-accent);color:#4A2C05;}
.btn-accent:hover{background:#E08A12;color:#3A2204;transform:translateY(-1px);text-decoration:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:20px 0 0;font-size:12px;color:var(--c-text-3);}
.breadcrumb-bar nav{display:flex;flex-wrap:wrap;align-items:center;line-height:1.6;}
.breadcrumb-bar a{color:var(--c-text-3);}
.breadcrumb-bar a:hover{color:var(--c-primary);}
.breadcrumb-bar .sep{margin:0 6px;color:#C3CFE0;}
.breadcrumb-bar .current{color:var(--c-text-3);word-break:break-all;}

/* ============ 文章主体 ============ */
.article-main{padding-bottom:16px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;
  align-items:start;
  padding-top:24px;
}
.article-shell{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:16px;
  padding:36px 40px 40px;
  box-shadow:var(--sh-1);
}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--c-border);margin-bottom:28px;}
.cat-badge{
  display:inline-block;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
}
.article-head h1{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  margin:14px 0 16px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:13px;color:var(--c-text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{color:#A9B8CB;}

/* 正文排版 */
.article-body{font-size:17px;line-height:1.9;color:var(--c-text-2);max-width:760px;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--c-text);
  margin:40px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-text);margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-text);margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;}
.article-body li{margin:6px 0;}
.article-body strong{color:var(--c-text);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:14px 18px;
  border-left:3px solid var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:0 10px 10px 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;
  border-radius:var(--r-img);
  margin:12px 0;
}
.article-body figure{margin:20px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:20px 0;font-size:15px;background:#fff;
}
.article-body table th{
  background:var(--c-primary-soft);
  color:var(--c-text);
  font-weight:600;
  text-align:left;
  padding:11px 14px;
}
.article-body table td{
  padding:11px 14px;
  border-bottom:1px solid var(--c-border);
  color:var(--c-text-2);
}
.article-body code{
  background:#F1F5FB;color:#1B4C8C;
  padding:2px 6px;border-radius:6px;font-size:15px;
}
.article-body pre{
  background:#F4F7FC;border:1px solid var(--c-border);
  padding:16px;border-radius:10px;overflow:auto;margin:20px 0;
}
.article-body pre code{background:transparent;padding:0;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(26,107,212,.3);}
.article-body a:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark);text-decoration:none;}
.article-body hr{border:0;border-top:1px solid var(--c-border);margin:32px 0;}

.article-empty{
  text-align:center;
  padding:64px 20px;
  border:1px dashed var(--c-border);
  border-radius:var(--r-card);
  background:#FBFDFF;
}
.article-empty i{font-size:34px;color:#B7C7DA;}
.article-empty p{font-size:16px;color:var(--c-text-2);margin:14px 0 20px;}

.article-foot{
  margin-top:40px;padding-top:26px;
  border-top:1px solid var(--c-border);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;
  font-size:12px;
  padding:5px 12px;
  border-radius:999px;
  background:#F2F6FC;
  border:1px solid var(--c-border);
  color:var(--c-text-2);
  transition:all var(--tx);
}
.tag:hover{background:var(--c-primary-soft);border-color:#BFD8F7;color:var(--c-primary);text-decoration:none;}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:132px;}
.side-card{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--c-text);
  margin:0 0 14px;display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--c-primary);font-size:13px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;
  font-size:14px;
  color:var(--c-text-2);
  padding:7px 10px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:all var(--tx);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-link:hover{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-primary);text-decoration:none;}
.toc-empty{font-size:13px;color:var(--c-text-3);line-height:1.7;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-note{font-size:13px;line-height:1.8;color:var(--c-text-2);margin:0;}
.side-note strong{color:var(--c-text);}

/* 相关阅读 */
.rel-section{
  margin-top:56px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:16px;
  padding:30px 32px 34px;
  box-shadow:var(--sh-1);
}
.rel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;margin-bottom:20px;
}
.rel-head h2{font-size:20px;font-weight:700;}
.rel-head a{font-size:13px;color:var(--c-primary);}
.rel-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:block;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:all var(--tx);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.25);text-decoration:none;}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF3FC;}
.rel-body{padding:14px 16px 16px;}
.rel-body h4{
  font-size:15px;font-weight:600;color:var(--c-text);line-height:1.55;
  margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body span{font-size:12px;color:var(--c-text-3);display:inline-flex;align-items:center;gap:6px;}
.back-row{display:flex;justify-content:center;margin-top:36px;}

@media (max-width:991.98px){
  .article-layout{grid-template-columns:1fr;gap:28px;}
  .article-side{position:static;}
  .rel-list{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767.98px){
  .article-shell{padding:24px 20px 28px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin:32px 0 14px;}
  .article-body h3{font-size:18px;}
  .rel-section{padding:22px 20px 26px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .article-head h1{font-size:23px;}
  .rel-list{grid-template-columns:1fr;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-dark);
  color:rgba(255,255,255,.72);
  padding:56px 0 22px;
  margin-top:72px;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.site-footer .brand-mark{
  width:30px;height:30px;flex:none;border-radius:9px;
  background:rgba(255,255,255,.14);
  display:grid;place-items:center;
}
.site-footer .brand-mark svg{width:18px;height:18px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;max-width:330px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin:0 0 16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#fff;text-decoration:none;}
.footer-contact li{display:flex;gap:9px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact i{margin-top:4px;color:#8FB8EA;font-size:12px;}
.footer-line{height:1px;background:rgba(255,255,255,.14);margin:32px 0 18px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.6);
}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-links a{font-size:12px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:#fff;text-decoration:none;}
@media (max-width:991.98px){
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .footer-cols{grid-template-columns:1fr;}
  .site-footer{padding:40px 0 20px;margin-top:52px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1A6BD4;
  --c-primary-dark:#0E4FA8;
  --c-primary-soft:#E8F1FE;
  --c-accent:#F59A1F;
  --c-accent-soft:#FEF3E2;
  --c-teal:#12A594;
  --c-bg:#F6F9FD;
  --c-surface:#FFFFFF;
  --c-border:#E3EBF5;
  --c-text:#101B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8595A8;
  --c-success:#16A34A;
  --c-warn:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,27,45,.04), 0 8px 24px rgba(16,27,45,.06);
  --sh-2:0 12px 32px rgba(26,107,212,.14);
  --tr:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#1A6BD4;
  --bs-primary-rgb:26,107,212;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#101B2D;
  --bs-body-bg:#F6F9FD;
  --bs-border-color:#E3EBF5;
  --bs-border-radius:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 2px #fff;
  text-decoration:none;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--c-text)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:72px 0}
.section-sm{padding:48px 0}
.section-head{margin-bottom:32px}
.section-head h2,.sec-title{
  font-size:28px;
  position:relative;
  padding-left:16px;
  margin-bottom:12px;
}
.section-head h2::before,.sec-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--c-primary);
}
.section-head p{color:var(--c-text-2);font-size:15px;margin:0;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.eyebrow i{font-size:12px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--tr);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  box-shadow:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
}
.brand-row{
  display:flex;align-items:center;gap:20px;
  height:64px;transition:height var(--tr);
}
.site-header.is-stuck .brand-row{height:56px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(26,107,212,.22);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--c-text-3);letter-spacing:.04em}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-wrap{position:relative;display:flex;align-items:center}
.search-wrap input{
  width:0;opacity:0;padding:0;border:1px solid var(--c-border);
  height:38px;border-radius:var(--r-input);background:#fff;
  transition:width var(--tr),opacity var(--tr),padding var(--tr);
  font-size:14px;color:var(--c-text);
}
.search-wrap.open input{width:220px;opacity:1;padding:0 14px}
.search-wrap input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-border);
  background:#fff;color:var(--c-text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--tr);font-size:15px;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:rgba(26,107,212,.25)}
.channel-bar{border-top:1px solid var(--c-border);position:relative}
.channel-nav{
  display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.nav-item-link{
  position:relative;white-space:nowrap;font-size:15px;color:var(--c-text-2);
  padding:6px 14px;border-radius:999px;text-decoration:none;transition:all var(--tr);
}
.nav-item-link:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.nav-item-link.active{color:var(--c-primary);font-weight:600;background:transparent}
.nav-item-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-13px;height:2px;border-radius:2px;background:var(--c-primary);
}
.hot-words{display:flex;align-items:center;gap:8px;margin-left:auto;padding-left:16px}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  font-size:12.5px;color:var(--c-text-2);background:#fff;border:1px solid var(--c-border);
  border-radius:999px;padding:4px 12px;text-decoration:none;transition:all var(--tr);
}
.hot-pill:hover{border-color:rgba(26,107,212,.3);color:var(--c-primary);text-decoration:none;background:var(--c-primary-soft)}
.hot-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hot-pill .dot.teal{background:var(--c-teal)}
.mobile-menu{
  border-top:1px solid var(--c-border);background:#fff;padding:12px 0 18px;
}
.mobile-menu .search-wrap input{width:100%;opacity:1;padding:0 14px}
.mobile-menu .m-links{display:flex;flex-direction:column;margin-top:12px}
.mobile-menu .m-links a{
  height:44px;display:flex;align-items:center;font-size:15px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);text-decoration:none;
}
.mobile-menu .m-links a.active{color:var(--c-primary);font-weight:600}
.mobile-menu .m-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EEF5FF 0%,#F6F9FD 100%);
  border-bottom:1px solid var(--c-border);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero-inner{
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;
  padding:54px 0 46px;
}
.page-hero h1{font-size:34px;line-height:1.25;margin-bottom:14px}
.page-hero .lead{font-size:16px;color:var(--c-text-2);max-width:660px;margin:0}
.crumb{font-size:12px;color:var(--c-text-3);text-align:right;white-space:nowrap}
.crumb a{color:var(--c-text-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{margin:0 6px;color:#C3D0E0}
.crumb .cur{color:var(--c-text-2)}
.hero-keys{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.key-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);
  background:#fff;border:1px solid var(--c-border);border-radius:999px;padding:7px 14px;
  box-shadow:0 1px 2px rgba(16,27,45,.04);
}
.key-chip i{color:var(--c-primary);font-size:12px}

/* ---------- 主布局：锚点 + 卡片流 ---------- */
.cat-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}
.cat-anchor{position:sticky;top:132px}
.anchor-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:18px 8px;box-shadow:var(--sh-1);
}
.anchor-title{
  font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.06em;
  padding:0 14px 12px;
}
.anchor-list a{
  display:block;position:relative;padding:10px 14px;font-size:14.5px;color:var(--c-text-2);
  border-radius:8px;text-decoration:none;transition:all var(--tr);
}
.anchor-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.anchor-list a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft)}
.anchor-list a.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--c-primary);
}
.anchor-tip{
  margin-top:14px;font-size:12.5px;color:var(--c-text-3);line-height:1.7;
  padding:0 14px;
}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.g-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.g-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.2)}
.g-card .thumb{
  aspect-ratio:16/9;width:100%;object-fit:cover;background:var(--c-primary-soft);
}
.g-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.g-card .badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.badge-step{
  font-size:12px;font-weight:600;color:#fff;background:var(--c-primary);
  border-radius:999px;padding:3px 11px;
}
.badge-plain{
  font-size:12px;font-weight:600;color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:3px 11px;
}
.badge-accent{background:var(--c-accent-soft);color:#9A5B04}
.badge-teal{background:rgba(18,165,148,.12);color:#0B796E}
.g-card h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px}
.g-card p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.g-card .meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}
.g-card .meta i{color:var(--c-primary);margin-right:6px}
.link-more{font-size:13px;font-weight:600;color:var(--c-primary)}
.link-more i{margin-left:4px;font-size:11px;margin-right:0}

/* ---------- 步骤流程条 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:28px 8px;box-shadow:var(--sh-1);
}
.flow-item{position:relative;padding:0 22px}
.flow-item::after{
  content:"";position:absolute;right:0;top:16px;width:1px;height:52px;
  border-right:1px dashed var(--c-border);
}
.flow-item:last-child::after{display:none}
.flow-num{
  font-size:38px;font-weight:700;line-height:1;color:rgba(26,107,212,.22);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.flow-item h3{font-size:16px;font-weight:600;margin:12px 0 6px}
.flow-item p{font-size:13.5px;color:var(--c-text-2);margin:0;line-height:1.7}

/* ---------- 适用情形清单 ---------- */
.situation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.situation{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:all var(--tr);
}
.situation:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.2)}
.situation .ico{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px;
}
.situation h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.situation p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.faq-aside h2{margin-bottom:14px}
.faq-aside > p{font-size:15px;color:var(--c-text-2);margin-bottom:22px}
.rule-list li{
  position:relative;padding:14px 0 14px 26px;border-bottom:1px solid var(--c-border);
  font-size:14.5px;color:var(--c-text-2);
}
.rule-list li::before{
  content:"";position:absolute;left:2px;top:22px;width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);opacity:.55;
}
.rule-list li:last-child{border-bottom:none}
.rule-list li strong{color:var(--c-text);font-weight:600}
.accordion-item{
  background:#fff;border:1px solid var(--c-border) !important;border-radius:var(--r-card) !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--c-text);background:#fff;
  padding:20px;line-height:1.5;box-shadow:none !important;border-radius:var(--r-card) !important;
}
.accordion-button::after{
  width:14px;height:14px;background-size:14px;background-image:none;
  border-right:1.6px solid var(--c-text-3);border-bottom:1.6px solid var(--c-text-3);
  transform:rotate(45deg);margin-top:-6px;transition:transform var(--tr);
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-primary-soft);border-left:3px solid var(--c-primary)}
.accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);border-color:var(--c-primary);margin-top:2px;
}
.accordion-body{
  padding:4px 20px 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);
}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:16px;
  background:linear-gradient(120deg,#1A6BD4 0%,#0E4FA8 100%);
  padding:44px;color:#fff;
  display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;
  box-shadow:0 18px 40px rgba(14,79,168,.22);
}
.cta-block::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(circle at 20% 30%,#fff 0 2px,transparent 2px),
                   radial-gradient(circle at 70% 70%,#fff 0 2px,transparent 2px);
  background-size:60px 60px;pointer-events:none;
}
.cta-block > *{position:relative;z-index:1}
.cta-block h2{color:#fff;font-size:26px;margin-bottom:12px;padding:0}
.cta-block h2::before{display:none}
.cta-block p{color:rgba(255,255,255,.85);font-size:15px;margin:0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:180px;height:46px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.96);
  padding:0 16px;font-size:15px;color:var(--c-text);
}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.28)}
.btn-accent{
  height:46px;padding:0 24px;border-radius:var(--r-btn);border:none;
  background:var(--c-accent);color:#4A2C00;font-size:15px;font-weight:600;
  cursor:pointer;transition:all var(--tr);white-space:nowrap;
}
.btn-accent:hover{background:#EB8C0C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.18)}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:12px;width:100%}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;transition:all var(--tr);border:1px solid transparent;
}
.btn-main{background:var(--c-primary);color:#fff}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);text-decoration:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 底部提示条 ---------- */
.tip-bar{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--c-primary-soft);border:1px solid rgba(26,107,212,.16);
  border-radius:var(--r-card);padding:20px 24px;
}
.tip-bar .ico{
  width:38px;height:38px;border-radius:10px;background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.tip-bar p{margin:0;font-size:14.5px;color:var(--c-text-2);flex:1;min-width:240px}

/* ---------- 页脚 ---------- */
.site-footer{background:#EDF3FC;border-top:1px solid var(--c-border);padding:56px 0 0;margin-top:20px}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px}
.footer-brand .brand-mark svg{width:20px;height:20px}
.footer-brand strong{font-size:16px;color:var(--c-text)}
.footer-desc{font-size:13.5px;color:var(--c-text-2);line-height:1.8;margin:0;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--c-text-2)}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--c-text-2);line-height:1.7;margin-bottom:12px}
.footer-contact li i{color:var(--c-primary);margin-top:4px;flex-shrink:0}
.footer-line{height:1px;background:var(--c-border);margin:40px 0 0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;font-size:13px;color:var(--c-text-3);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{font-size:13px;color:var(--c-text-3)}
.footer-links a:hover{color:var(--c-primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-layout{grid-template-columns:200px 1fr;gap:24px}
  .hot-words{display:none}
}
@media (max-width:991.98px){
  .section{padding:48px 0}
  .section-head h2,.sec-title{font-size:24px}
  .page-hero-inner{grid-template-columns:1fr;gap:18px;padding:40px 0 34px}
  .page-hero h1{font-size:28px}
  .crumb{text-align:left;white-space:normal}
  .cat-layout{grid-template-columns:1fr}
  .cat-anchor{position:static;top:auto}
  .anchor-card{padding:8px}
  .anchor-list{display:flex;flex-wrap:wrap;gap:6px}
  .anchor-list a{padding:8px 14px;background:#F2F6FC}
  .anchor-list a.active::before{display:none}
  .anchor-tip{display:none}
  .flow{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .flow-item:nth-child(2)::after{display:none}
  .situation-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-block{grid-template-columns:1fr;padding:32px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:36px 0}
  .section-head h2,.sec-title{font-size:22px}
  .page-hero h1{font-size:26px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .flow{grid-template-columns:1fr;padding:22px 20px}
  .flow-item{padding:0}
  .flow-item::after{
    position:static;display:block;width:100%;height:1px;border-right:none;
    border-bottom:1px dashed var(--c-border);margin:20px 0;
  }
  .situation-grid{grid-template-columns:1fr}
  .cta-block h2{font-size:22px}
  .cta-form input{min-width:100%}
  .cta-form .btn-accent{width:100%}
  .footer-cols{grid-template-columns:1fr;gap:26px}
  .footer-desc{max-width:none}
  .brand-text span{display:none}
}
@media (max-width:520px){
  .brand-text strong{font-size:14.5px}
  .page-hero h1{font-size:23px}
  .g-card h3{font-size:17px}
  .tip-bar{padding:16px}
}

/* roulang page: category3 */
:root{
  --c-primary:#1A6BD4;
  --c-primary-dark:#0E4FA8;
  --c-primary-soft:#E8F1FE;
  --c-accent:#F59A1F;
  --c-accent-soft:#FEF3E2;
  --c-teal:#12A594;
  --c-bg:#F6F9FD;
  --c-surface:#FFFFFF;
  --c-border:#E3EBF5;
  --c-text:#101B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8595A8;
  --c-success:#16A34A;
  --c-warn:#E5484D;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
  --shadow-2:0 12px 32px rgba(26,107,212,.14);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  text-align:left;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  box-shadow:0 0 0 2px #fff;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  box-shadow:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
}
.site-header.is-stuck .brand-row{padding:10px 0}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
  transition:padding var(--ease);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--c-text);
  white-space:nowrap;
}
.brand:hover{color:var(--c-text);text-decoration:none}
.brand-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.brand-sub{
  font-size:12px;font-weight:500;color:var(--c-text-3);
  border-left:1px solid var(--c-border);
  padding-left:10px;margin-left:2px;
}
.header-tools{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;
  height:40px;padding:0 12px;
  border:1px solid var(--c-border);
  border-radius:var(--radius-btn);
  background:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.search-box i{color:var(--c-text-3);font-size:13px;margin-right:8px}
.search-box input{
  border:0;outline:0;background:transparent;
  width:150px;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:var(--c-text-3)}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-border);
  border-radius:var(--radius-btn);
  background:#fff;color:var(--c-text-2);
  align-items:center;justify-content:center;
  font-size:16px;
}
.channel-bar{
  border-top:1px solid var(--c-border);
  padding:0;
}
.channel-nav{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  height:48px;
}
.channel-nav::-webkit-scrollbar{display:none}
.nav-item-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:48px;padding:0 14px;
  font-size:15px;font-weight:500;
  color:var(--c-text-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-item-link:hover{
  color:var(--c-primary-dark);
  background:var(--c-primary-soft);
  border-radius:8px;
  text-decoration:none;
}
.nav-item-link.active{color:var(--c-primary);font-weight:600}
.nav-item-link.active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:0;
  height:2px;border-radius:2px;background:var(--c-primary);
}
.hot-words{
  display:flex;align-items:center;gap:8px;
  margin-left:auto;padding-left:16px;
}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;
  color:var(--c-text-2);
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:999px;
  padding:5px 12px;
  white-space:nowrap;
  transition:var(--ease);
}
.hot-pill:hover{
  color:var(--c-primary-dark);
  border-color:rgba(26,107,212,.35);
  background:var(--c-primary-soft);
  text-decoration:none;
}
.hot-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hot-pill .dot.teal{background:var(--c-teal)}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-border);
  padding:16px 0 20px;
  background:#fff;
}
.mobile-panel.is-open{display:block}
.mobile-panel .search-box{width:100%;margin-bottom:14px}
.mobile-panel .search-box input{width:100%}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:44px;font-size:15px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-border);
}
.mobile-links a.active{color:var(--c-primary);font-weight:600}
.mobile-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ 页头带 ============ */
.page-head{
  background:
    linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.86)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--c-border);
  padding:44px 0 36px;
}
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--c-text-3);
  margin-bottom:18px;
}
.breadcrumb-bar a{color:var(--c-text-2)}
.breadcrumb-bar .sep{color:var(--c-border)}
.breadcrumb-bar .current{color:var(--c-text-3)}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:32px;
  align-items:end;
}
.page-head h1{font-size:34px;margin-bottom:14px}
.page-head h1 .hl{color:var(--c-primary)}
.page-lead{
  font-size:16px;color:var(--c-text-2);
  max-width:640px;
}
.head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;
  padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--c-border);
  color:var(--c-text-2);
}
.tag-pill.primary{background:var(--c-primary-soft);border-color:transparent;color:var(--c-primary-dark)}
.tag-pill.accent{background:var(--c-accent-soft);border-color:transparent;color:#8A5107}
.anchor-card{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:16px 18px;
}
.anchor-card h2{
  font-size:13px;color:var(--c-text-3);font-weight:600;
  letter-spacing:.04em;margin-bottom:10px;
  border-left:0;padding-left:0;
}
.anchor-card a{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--c-text-2);
  padding:7px 0;
}
.anchor-card a:hover{color:var(--c-primary);text-decoration:none}
.anchor-card a i{font-size:11px;color:var(--c-primary)}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.section-head{margin-bottom:28px}
.section-head h2{
  font-size:28px;position:relative;padding-left:16px;margin-bottom:12px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;
  width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.section-head p{font-size:15px;color:var(--c-text-2);max-width:720px}
.section-head .head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;
}

/* ============ 清单行 ============ */
.cat-rows{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.rows-group{padding:8px 0 4px}
.rows-group + .rows-group{border-top:1px solid var(--c-border)}
.rows-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;color:var(--c-text);
  padding:18px 24px 10px;
}
.rows-group-title .g-num{
  font-size:12px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:6px;padding:3px 8px;
  letter-spacing:.04em;
}
.rows-group-title .g-meta{
  margin-left:auto;font-size:12px;font-weight:500;color:var(--c-text-3);
}
.row-item{
  display:flex;align-items:center;gap:16px;
  min-height:72px;
  padding:12px 24px;
  border-top:1px solid var(--c-border);
  color:var(--c-text);
  transition:background var(--ease);
}
.rows-group .row-item:first-of-type{border-top:0}
.row-item:hover{
  background:var(--c-primary-soft);
  text-decoration:none;
  color:var(--c-text);
}
.row-icon{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;
  transition:background var(--ease),color var(--ease);
}
.row-item:hover .row-icon{background:#fff;color:var(--c-primary-dark)}
.row-body{
  display:flex;flex-direction:column;gap:2px;
  min-width:0;flex:1 1 auto;
}
.row-title{
  font-size:16px;font-weight:600;color:var(--c-text);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.row-desc{
  font-size:13px;color:var(--c-text-2);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.row-flag{
  font-size:11px;font-weight:600;
  padding:2px 8px;border-radius:999px;
  background:var(--c-accent-soft);color:#8A5107;
}
.row-flag.ok{background:#E7F7EE;color:#15803D}
.row-arrow{
  flex:0 0 auto;color:var(--c-text-3);font-size:13px;
  transition:transform var(--ease),color var(--ease);
}
.row-item:hover .row-arrow{transform:translateX(4px);color:var(--c-primary)}

/* ============ 数字带 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.stat-cell{
  padding:24px 22px;
  border-left:1px solid var(--c-border);
}
.stat-cell:first-child{border-left:0}
.stat-num{
  font-size:26px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:13px;color:var(--c-text-3);margin-top:4px}
.stat-note{font-size:13px;color:var(--c-text-2);margin-top:8px}

/* ============ 图文要点 ============ */
.split-grid{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}
.split-media img,
.split-media .media-fallback{
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-1);
  width:100%;height:100%;
  object-fit:cover;
  aspect-ratio:4/3;
  background:var(--c-primary-soft);
}
.check-list{margin-top:20px}
.check-list li{
  display:flex;gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--c-border);
  font-size:15px;color:var(--c-text-2);
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--c-success);font-size:15px;margin-top:5px}
.check-list strong{color:var(--c-text);font-weight:600;display:block}
.inline-btn{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:22px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  background:var(--c-primary);color:#fff;
  font-size:15px;font-weight:600;
  box-shadow:0 1px 2px rgba(16,27,45,.04);
  transition:var(--ease);
}
.inline-btn:hover{
  background:var(--c-primary-dark);color:#fff;text-decoration:none;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.ghost-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  background:#fff;color:var(--c-primary);
  border:1px solid var(--c-primary);
  font-size:15px;font-weight:600;
  transition:var(--ease);
}
.ghost-btn:hover{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  text-decoration:none;transform:translateY(-1px);
}

/* ============ 提示条 ============ */
.notice-bar{
  display:flex;align-items:center;gap:18px;
  background:var(--c-primary-soft);
  border:1px solid rgba(26,107,212,.16);
  border-radius:var(--radius-card);
  padding:20px 24px;
}
.notice-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:#fff;color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;
}
.notice-text{flex:1 1 auto;min-width:0}
.notice-text strong{display:block;font-size:16px;color:var(--c-text)}
.notice-text span{font-size:14px;color:var(--c-text-2)}

/* ============ 简短问答 ============ */
.qa-compact{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.qa-item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.qa-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(26,107,212,.2);
}
.qa-item h3{font-size:17px;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.qa-item h3 .q-idx{
  font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:8px;
  padding:2px 8px;flex:0 0 auto;margin-top:2px;
}
.qa-item p{font-size:14px;color:var(--c-text-2)}
.qa-foot{margin-top:18px;text-align:center}
.qa-foot a{font-size:14px;font-weight:600}

/* ============ CTA 色块 ============ */
.cta-block{
  position:relative;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  border-radius:16px;
  padding:44px;
  overflow:hidden;
  color:#fff;
}
.cta-block::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px);
  opacity:.9;
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:28px;
  align-items:center;
}
.cta-copy{grid-column:span 6}
.cta-copy h2{font-size:26px;color:#fff;margin-bottom:12px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.86)}
.cta-form{grid-column:span 6}
.cta-form form{
  display:flex;gap:10px;flex-wrap:wrap;
}
.cta-form input{
  flex:1 1 200px;
  height:46px;padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.96);
  color:var(--c-text);font-size:15px;
}
.cta-form input::placeholder{color:var(--c-text-3)}
.cta-form input:focus{
  outline:0;border-color:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.32);
}
.cta-form button{
  height:46px;padding:0 22px;
  border:0;border-radius:var(--radius-btn);
  background:var(--c-accent);color:#3B2404;
  font-size:15px;font-weight:600;
  transition:var(--ease);
}
.cta-form button:hover{background:#E48C12;transform:translateY(-1px)}
.form-note{
  font-size:12px;color:rgba(255,255,255,.78);
  margin-top:10px;flex:1 1 100%;
}

/* ============ 页脚 ============ */
.site-footer{
  background:#EDF3FC;
  border-top:1px solid var(--c-border);
  padding:56px 0 24px;
  margin-top:0;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-brand strong{font-size:16px}
.footer-desc{font-size:13px;color:var(--c-text-2);max-width:300px}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--c-text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--c-text-2)}
.footer-col ul a:hover{color:var(--c-primary-dark)}
.footer-contact li{display:flex;gap:10px;font-size:13px;color:var(--c-text-2)}
.footer-contact i{color:var(--c-primary);margin-top:5px;font-size:13px}
.footer-line{height:1px;background:var(--c-border);margin:32px 0 18px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:var(--c-text-3);font-size:13px}
.footer-links a:hover{color:var(--c-primary-dark)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hot-words{display:none}
  .page-head-grid{grid-template-columns:minmax(0,1fr) 260px}
  .cta-copy,.cta-form{grid-column:span 12}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section.tight{padding:40px 0}
  .section-head h2{font-size:24px}
  .page-head{padding:32px 0 28px}
  .page-head h1{font-size:30px}
  .page-head-grid{grid-template-columns:minmax(0,1fr);gap:22px;align-items:start}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-cell:nth-child(3){border-left:0;border-top:1px solid var(--c-border)}
  .stat-cell:nth-child(4){border-top:1px solid var(--c-border)}
  .split-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .split-media{order:-1}
  .qa-compact{grid-template-columns:minmax(0,1fr);gap:16px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .nav-toggle{display:inline-flex}
  .header-tools .search-box{display:none}
  .channel-bar{display:none}
  .cta-block{padding:30px 24px}
  .cta-copy h2{font-size:22px}
}
@media (max-width:767px){
  .section{padding:32px 0}
  .section-head h2{font-size:22px}
  .section-head h2::before{height:18px;top:3px}
  .brand-sub{display:none}
  .brand{font-size:15px}
  .page-head h1{font-size:26px}
  .page-lead{font-size:15px}
  .row-item{padding:14px 16px;gap:12px;min-height:0}
  .rows-group-title{padding:14px 16px 8px;flex-wrap:wrap}
  .rows-group-title .g-meta{display:none}
  .row-desc{white-space:normal}
  .stat-strip{grid-template-columns:minmax(0,1fr)}
  .stat-cell{border-left:0;border-top:1px solid var(--c-border)}
  .stat-cell:first-child{border-top:0}
  .notice-bar{flex-wrap:wrap;gap:12px;padding:18px}
  .notice-bar .ghost-btn{width:100%;justify-content:center}
  .footer-cols{grid-template-columns:minmax(0,1fr)}
  .qa-item{padding:18px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .cta-form form{flex-direction:column}
  .cta-form input,.cta-form button{width:100%;flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --c-primary:#1A6BD4;
  --c-primary-dark:#0E4FA8;
  --c-primary-soft:#E8F1FE;
  --c-accent:#F59A1F;
  --c-accent-soft:#FEF3E2;
  --c-teal:#12A594;
  --c-bg:#F6F9FD;
  --c-surface:#FFFFFF;
  --c-border:#E3EBF5;
  --c-text:#101B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8595A8;
  --c-success:#16A34A;
  --c-warn:#E5484D;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
  --shadow-hover:0 12px 32px rgba(26,107,212,.14);
  --trans:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#1A6BD4;
  --bs-primary-rgb:26,107,212;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-radius:10px;
  --bs-body-color:#101B2D;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--trans),background var(--trans);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  box-shadow:0 6px 20px rgba(16,27,45,.07);
  backdrop-filter:blur(8px);
}
.header-top{
  display:flex;
  align-items:center;
  gap:20px;
  height:60px;
  transition:height var(--trans);
}
.site-header.is-stuck .header-top{height:52px}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-text);
}
.brand:hover{text-decoration:none;color:var(--c-text)}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(26,107,212,.28);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.header-spacer{flex:1}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.header-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 14px;
  border:1px solid var(--c-border);
  border-radius:var(--radius-btn);
  background:var(--c-bg);
  transition:border-color var(--trans),background var(--trans),box-shadow var(--trans);
}
.header-search:focus-within{
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 3px var(--c-primary-soft);
}
.header-search i{color:var(--c-text-3);font-size:13px}
.header-search input{
  border:0;outline:0;background:transparent;
  font-size:14px;color:var(--c-text);
  width:140px;
}
.header-search input::placeholder{color:var(--c-text-3)}
.search-toggle{display:none}
.hot-words{display:flex;align-items:center;gap:8px}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;
  border-radius:999px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  white-space:nowrap;
  transition:background var(--trans),transform var(--trans);
}
.hot-pill::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.hot-pill.teal::before{background:var(--c-teal)}
.hot-pill:hover{
  background:#d9e8fd;
  text-decoration:none;
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--radius-btn);
  border:1px solid var(--c-border);
  color:var(--c-text);
  font-size:16px;
}
.nav-toggle:hover{background:var(--c-primary-soft);color:var(--c-primary)}

.channel-bar{
  border-top:1px solid var(--c-border);
  background:rgba(255,255,255,.98);
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:6px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.nav-item-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 16px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  white-space:nowrap;
  border-radius:8px;
  transition:color var(--trans),background var(--trans);
}
.nav-item-link:hover{
  color:var(--c-primary);
  background:var(--c-primary-soft);
  text-decoration:none;
}
.nav-item-link.active{
  color:var(--c-primary);
  font-weight:600;
}
.nav-item-link.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}

/* ============ Page head ============ */
.page-head{
  background:
    radial-gradient(880px 320px at 88% -20%,rgba(26,107,212,.10),transparent 70%),
    var(--c-surface);
  border-bottom:1px solid var(--c-border);
  padding:44px 0 40px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--c-text-3);
  margin-bottom:16px;
}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#c8d6e8}
.crumb .current{color:var(--c-text-3)}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;
  align-items:end;
}
.page-head h1{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.page-head .lead{
  font-size:16px;
  color:var(--c-text-2);
  max-width:720px;
}
.page-head-side{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:18px 20px;
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
}
.page-head-side span{
  font-size:12px;
  color:var(--c-text-3);
  letter-spacing:.06em;
}
.page-head-side a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:14px;
  font-weight:500;
  color:var(--c-text-2);
  padding:6px 0;
  border-bottom:1px dashed #dde7f4;
}
.page-head-side a:last-child{border-bottom:0}
.page-head-side a:hover{color:var(--c-primary);text-decoration:none}
.page-head-side a i{font-size:11px;color:var(--c-text-3)}

/* ============ Sections ============ */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  position:relative;
  font-size:28px;
  font-weight:700;
  line-height:1.3;
  padding-left:16px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:4px;height:20px;
  border-radius:2px;
  background:var(--c-primary);
}
.section-head p{font-size:15px;color:var(--c-text-2)}

/* ============ Timeline ============ */
.cat-timeline .timeline{position:relative}
.cat-timeline .timeline::before{
  content:"";
  position:absolute;
  left:87px;
  top:12px;
  bottom:34px;
  width:2px;
  background:linear-gradient(180deg,var(--c-primary),#cfe2fb 88%,transparent);
  border-radius:2px;
}
.timeline-item{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:24px;
  padding-bottom:24px;
  position:relative;
}
.timeline-item:last-child{padding-bottom:0}
.tl-num{
  font-size:40px;
  font-weight:700;
  line-height:1;
  color:#cfe2fb;
  font-variant-numeric:tabular-nums;
  padding-top:14px;
  letter-spacing:-.02em;
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-card);
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.tl-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(26,107,212,.35);
}
.tl-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:999px;
  padding:3px 10px;
  margin-bottom:10px;
}
.tl-card h3{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--c-text-2);margin-bottom:14px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  font-size:12px;
  border-radius:999px;
  background:var(--c-bg);
  border:1px solid var(--c-border);
  color:var(--c-text-2);
}
.tag.teal{background:#e6f7f4;border-color:#c9ece7;color:#0d8175}
.tag.accent{background:var(--c-accent-soft);border-color:#f7dfba;color:#9a5b06}

/* ============ Channel compare cards ============ */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.channel-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.channel-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(26,107,212,.35);
}
.channel-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--c-primary-soft);
  overflow:hidden;
}
.channel-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s cubic-bezier(.4,0,.2,1);
}
.channel-card:hover .channel-thumb img{transform:scale(1.04)}
.channel-thumb .badge-chip{
  position:absolute;
  left:12px;top:12px;
  height:24px;
  display:inline-flex;align-items:center;
  padding:0 10px;
  font-size:12px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--c-primary);
  font-weight:600;
}
.channel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.channel-body h3{font-size:18px;font-weight:600}
.channel-body p{font-size:14px;color:var(--c-text-2)}
.channel-body ul{display:flex;flex-direction:column;gap:6px;margin-top:2px}
.channel-body li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--c-text-2);
}
.channel-body li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-primary);
  opacity:.5;
}

/* ============ Stats ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.stat{
  padding:26px 22px;
  border-right:1px solid var(--c-border);
}
.stat:last-child{border-right:0}
.stat strong{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  margin-bottom:6px;
}
.stat span{font-size:13px;color:var(--c-text-3)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 1px 2px rgba(16,27,45,.04);
  transition:border-color var(--trans),box-shadow var(--trans);
}
.faq-item.open{border-color:rgba(26,107,212,.4);box-shadow:var(--shadow-card)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
}
.faq-q .idx{
  flex-shrink:0;
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.faq-q .chev{
  margin-left:auto;
  flex-shrink:0;
  font-size:12px;
  color:var(--c-text-3);
  transition:transform var(--trans),color var(--trans);
}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--c-primary)}
.faq-item.open .faq-q{background:var(--c-primary-soft)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s cubic-bezier(.4,0,.2,1);
}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{
  padding:16px 22px 22px 22px;
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.85;
  border-top:1px solid var(--c-border);
}

/* ============ CTA ============ */
.cta-block{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,var(--c-primary),var(--c-primary-dark));
  border-radius:16px;
  padding:44px 40px;
  color:#fff;
  box-shadow:0 18px 40px rgba(14,79,168,.22);
}
.cta-block::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 1px 1px,rgba(255,255,255,.5) 1px,transparent 0);
  background-size:22px 22px;
  opacity:.06;
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
}
.cta-block h2{
  font-size:26px;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
  padding:0;
}
.cta-block h2::before{display:none}
.cta-block p{font-size:15px;color:rgba(255,255,255,.86)}
.cta-form{display:flex;gap:10px}
.cta-form input{
  flex:1;
  height:44px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.96);
  color:var(--c-text);
  font-size:15px;
  outline:0;
  transition:border-color var(--trans),box-shadow var(--trans);
}
.cta-form input::placeholder{color:var(--c-text-3)}
.cta-form input:focus{
  border-color:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.28);
}
.btn-accent{
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  background:var(--c-accent);
  color:#4a2c00;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform var(--trans),box-shadow var(--trans),background var(--trans);
}
.btn-accent:hover{
  background:#ffa833;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(0,0,0,.18);
}
.cta-note{
  margin-top:12px;
  font-size:12px;
  color:rgba(255,255,255,.72);
}
.form-msg{
  margin-top:10px;
  font-size:13px;
  color:#bff2c8;
  display:none;
}
.form-msg.show{display:block}

/* ============ Buttons ============ */
.btn-main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background var(--trans),transform var(--trans),box-shadow var(--trans);
}
.btn-main:hover{
  background:var(--c-primary-dark);
  color:#fff;
  text-decoration:none;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(26,107,212,.26);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--c-primary);
  border:1px solid var(--c-primary);
  font-size:15px;
  font-weight:600;
  transition:background var(--trans),transform var(--trans);
}
.btn-ghost:hover{
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  text-decoration:none;
  transform:translateY(-1px);
}

/* ============ Tip bar ============ */
.tip-bar{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  background:var(--c-primary-soft);
  border:1px solid #cfe2fb;
  border-radius:var(--radius-card);
}
.tip-bar i.tip-icon{
  flex-shrink:0;
  width:40px;height:40px;
  border-radius:12px;
  background:#fff;
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
}
.tip-bar p{font-size:14px;color:var(--c-text-2);flex:1}
.tip-bar .btn-ghost{height:40px;background:transparent;border-color:var(--c-primary)}

/* ============ Footer ============ */
.site-footer{
  margin-top:8px;
  background:#EDF3FC;
  border-top:1px solid var(--c-border);
  padding:56px 0 26px;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand strong{font-size:16px;font-weight:700;color:var(--c-text)}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark))}
.footer-desc{font-size:14px;color:var(--c-text-2);max-width:320px}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--c-text);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--c-text-2)}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14px;
  color:var(--c-text-2);
}
.footer-contact i{color:var(--c-primary);font-size:13px;margin-top:5px}
.footer-line{height:1px;background:#dbe6f5;margin:34px 0 20px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-text-3);
}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-links a{font-size:13px;color:var(--c-text-3)}
.footer-links a:hover{color:var(--c-primary)}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .header-search input{width:110px}
  .hot-words .hot-pill:nth-child(n+3){display:none}
}
@media (max-width:991.98px){
  .section{padding:48px 0}
  .section.tight{padding:40px 0}
  .section-head h2{font-size:24px}
  .page-head{padding:32px 0 30px}
  .page-head h1{font-size:28px}
  .page-head-grid{grid-template-columns:1fr;gap:24px;align-items:start}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-border)}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:32px 0}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:22px}
  .header-search{display:none}
  .header-search.open{
    display:flex;
    position:absolute;
    left:16px;right:16px;top:64px;
    background:#fff;
    box-shadow:0 14px 30px rgba(16,27,45,.14);
    height:44px;
  }
  .header-search.open input{width:100%}
  .search-toggle{
    display:flex;
    align-items:center;justify-content:center;
    width:40px;height:40px;
    border-radius:var(--radius-btn);
    border:1px solid var(--c-border);
    color:var(--c-text-2);
    font-size:15px;
  }
  .search-toggle:hover{background:var(--c-primary-soft);color:var(--c-primary)}
  .header-actions{gap:10px}
  .hot-words{display:none}
  .brand-text{font-size:14px;white-space:normal;line-height:1.2;max-width:170px}
  .page-head h1{font-size:24px}
  .cat-timeline .timeline::before{display:none}
  .timeline-item{
    grid-template-columns:1fr;
    gap:10px;
    padding-bottom:18px;
  }
  .tl-num{font-size:30px;padding-top:0}
  .tl-card{padding:18px}
  .channel-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--c-border)}
  .stat:last-child{border-bottom:0}
  .cta-block{padding:30px 22px}
  .cta-form{flex-direction:column}
  .btn-accent{width:100%}
  .tip-bar{flex-direction:column;align-items:flex-start}
  .tip-bar .btn-ghost{width:100%;justify-content:center}
  .footer-cols{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  .brand-text{max-width:130px;font-size:13px}
  .btn-main,.btn-ghost{width:100%;justify-content:center}
  .page-head-side{padding:16px}
}

/* roulang page: category4 */
:root{
  --c-primary:#1A6BD4;
  --c-primary-dark:#0E4FA8;
  --c-primary-soft:#E8F1FE;
  --c-accent:#F59A1F;
  --c-accent-soft:#FEF3E2;
  --c-teal:#12A594;
  --c-bg:#F6F9FD;
  --c-surface:#FFFFFF;
  --c-border:#E3EBF5;
  --c-text:#101B2D;
  --c-text-2:#4A5A70;
  --c-text-3:#8595A8;
  --c-success:#16A34A;
  --c-warn:#E5484D;
  --c-foot:#EDF3FC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,27,45,.04),0 8px 24px rgba(16,27,45,.06);
  --sh-2:0 12px 32px rgba(26,107,212,.14);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#1A6BD4;
  --bs-primary-rgb:26,107,212;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#101B2D;
  --bs-link-color:#1A6BD4;
  --bs-link-hover-color:#0E4FA8;
  --bs-border-radius:14px;
  --bs-border-color:#E3EBF5;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 2px #fff}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:64px 0}
@media (max-width:991.98px){.section{padding:48px 0}}
@media (max-width:767.98px){.section{padding:32px 0}.container{padding-left:16px;padding-right:16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(16,27,45,.07)}
.brand-row{display:flex;align-items:center;height:60px;transition:height var(--ease)}
.site-header.is-stuck .brand-row{height:52px}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:700;font-size:16px}
.brand:hover{color:var(--c-primary-dark);text-decoration:none}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  box-shadow:0 4px 12px rgba(26,107,212,.28);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap;letter-spacing:-.01em}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border:1px solid var(--c-border);background:#fff;border-radius:10px;
  display:grid;place-items:center;color:var(--c-text-2);cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(26,107,212,.35);background:var(--c-primary-soft)}
.search-wrap{position:relative;display:flex;align-items:center}
.search-field{
  width:0;opacity:0;pointer-events:none;height:40px;border:1px solid var(--c-border);border-radius:10px;
  padding:0;background:#fff;color:var(--c-text);transition:width var(--ease),opacity var(--ease),padding var(--ease);
}
.search-wrap.open .search-field{width:220px;opacity:1;pointer-events:auto;padding:0 14px;margin-right:8px}
.search-field:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.nav-burger{display:none}
@media (max-width:767.98px){.nav-burger{display:grid}}
.channel-row{border-top:1px solid var(--c-border);height:48px;display:flex;align-items:center}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.nav-item-link{
  position:relative;padding:8px 14px;font-size:15px;color:var(--c-text-2);border-radius:8px;
  white-space:nowrap;transition:all var(--ease);
}
.nav-item-link:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}
.nav-item-link.active{color:var(--c-primary);font-weight:600}
.nav-item-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);
}
.hot-words{display:flex;align-items:center;gap:8px;flex-shrink:0}
.hot-label{font-size:12px;color:var(--c-text-3)}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;color:var(--c-text-2);background:#fff;border:1px solid var(--c-border);transition:all var(--ease);
}
.hot-pill:hover{border-color:rgba(26,107,212,.35);color:var(--c-primary);text-decoration:none}
.hot-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hot-dot.t{background:var(--c-teal)}
@media (max-width:1199.98px){.hot-words{display:none}}
@media (max-width:767.98px){.channel-row{display:none}.brand-text{font-size:15px}}

/* 移动端抽屉 */
.offcanvas{border-left:1px solid var(--c-border)}
.offcanvas-header{border-bottom:1px solid var(--c-border)}
.m-nav-list li{border-bottom:1px solid var(--c-border)}
.m-nav-list a{display:flex;align-items:center;height:44px;font-size:15px;color:var(--c-text-2)}
.m-nav-list a.active{color:var(--c-primary);font-weight:600}
.m-hot-title{font-size:13px;color:var(--c-text-3);margin:20px 0 10px}
.m-hot{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 页头带 ============ */
.page-head{
  background:linear-gradient(180deg,#FFFFFF 0%,#F4F8FE 100%);
  border-bottom:1px solid var(--c-border);
  padding:36px 0 34px;
}
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;font-size:12px;color:var(--c-text-3);margin-bottom:14px;
}
.breadcrumb-bar a{color:var(--c-text-3)}
.breadcrumb-bar a:hover{color:var(--c-primary)}
.breadcrumb-bar .sep{width:1px;height:10px;background:var(--c-border);display:inline-block}
.page-head-grid{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end}
.page-head h1{font-size:34px;line-height:1.25}
.page-head .lead{font-size:16px;color:var(--c-text-2);max-width:720px;margin-top:14px}
.page-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.tag-pill.accent{background:var(--c-accent-soft);color:#A66309}
.anchor-nav{display:flex;flex-direction:column;gap:6px;min-width:170px}
.anchor-nav a{
  font-size:13px;color:var(--c-text-2);padding:8px 12px;border-radius:8px;border:1px solid transparent;transition:all var(--ease);
}
.anchor-nav a:hover{background:#fff;border-color:var(--c-border);color:var(--c-primary);text-decoration:none}
@media (max-width:991.98px){
  .page-head-grid{grid-template-columns:1fr}
  .anchor-nav{flex-direction:row;flex-wrap:wrap;min-width:0}
  .page-head h1{font-size:28px}
}
@media (max-width:767.98px){.page-head h1{font-size:26px}.page-head{padding:26px 0}}

/* ============ 区块标题 ============ */
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:28px;padding-left:14px;position:relative}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--c-primary);
}
.sec-head p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:760px}
@media (max-width:767.98px){.sec-head h2{font-size:22px}}

/* ============ 筛选条 ============ */
.filter-bar{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.filter-search{position:relative;flex:1 1 300px;max-width:420px}
.filter-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-text-3);font-size:14px}
.filter-search input{
  width:100%;height:44px;border:1px solid var(--c-border);border-radius:var(--r-btn);
  padding:0 14px 0 38px;background:#fff;color:var(--c-text);transition:all var(--ease);
}
.filter-search input::placeholder{color:var(--c-text-3)}
.filter-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.filter-pills{display:flex;flex-wrap:wrap;gap:8px}
.filter-pill{
  border:1px solid var(--c-border);background:#fff;color:var(--c-text-2);border-radius:999px;
  padding:7px 16px;font-size:13px;cursor:pointer;transition:all var(--ease);
}
.filter-pill:hover{border-color:rgba(26,107,212,.35);color:var(--c-primary)}
.filter-pill.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.filter-count{font-size:13px;color:var(--c-text-3)}
.filter-count b{color:var(--c-primary);font-variant-numeric:tabular-nums}

/* ============ 问答矩阵 ============ */
.qa-matrix{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;align-items:start}
@media (max-width:991.98px){.qa-matrix{grid-template-columns:1fr}}
.qa-acc .accordion-item{
  border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-surface);
  box-shadow:var(--sh-1);overflow:hidden;margin-bottom:12px;transition:all var(--ease);
}
.qa-acc .accordion-item:hover{border-color:rgba(26,107,212,.22)}
.qa-acc .accordion-header{margin:0}
.qa-acc .accordion-button{
  display:flex;align-items:flex-start;gap:12px;width:100%;padding:18px 20px;background:#fff;border:0;
  color:var(--c-text);font-size:16px;font-weight:600;line-height:1.6;text-align:left;box-shadow:none;
  transition:all var(--ease);
}
.qa-acc .accordion-button:not(.collapsed){background:var(--c-primary-soft);color:var(--c-primary-dark);box-shadow:none}
.qa-acc .accordion-button:focus{outline:none;box-shadow:none}
.qa-acc .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-3px}
.qa-no{
  flex:0 0 34px;font-size:15px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;
  background:#fff;border:1px solid var(--c-border);border-radius:8px;text-align:center;line-height:24px;
}
.qa-acc .accordion-button:not(.collapsed) .qa-no{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.qa-q{flex:1}
.qa-acc .accordion-button::after{
  flex:0 0 10px;width:10px;height:10px;margin:8px 4px 0 auto;content:"";
  background-image:none;border-right:2px solid var(--c-text-3);border-bottom:2px solid var(--c-text-3);
  transform:rotate(45deg);transition:transform var(--ease),border-color var(--ease);
}
.qa-acc .accordion-button:not(.collapsed)::after{transform:rotate(225deg);border-color:var(--c-primary)}
.qa-acc .accordion-button:not(.collapsed){padding-left:20px;position:relative}
.qa-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
}
.qa-acc .accordion-body{padding:4px 20px 20px 66px;font-size:15px;color:var(--c-text-2);line-height:1.85}
.qa-acc .accordion-body ol{margin:10px 0 0;padding-left:20px}
.qa-acc .accordion-body li{margin-bottom:6px}
.qa-acc .accordion-body strong{color:var(--c-text)}
@media (max-width:575.98px){
  .qa-acc .accordion-button{padding:16px;font-size:15px}
  .qa-acc .accordion-body{padding:4px 16px 18px 16px}
}
.qa-empty{
  margin-top:24px;background:#fff;border:1px dashed var(--c-border);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--c-text-3);
}
.qa-empty i{font-size:32px;color:#C6D5E8;display:block;margin-bottom:12px}
.qa-empty p{font-size:15px}
.qa-empty a{display:inline-block;margin-top:14px}

/* ============ 自查三步 ============ */
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:all var(--ease);height:100%;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.2)}
.step-card .num{font-size:40px;font-weight:700;color:var(--c-primary-soft);line-height:1;font-variant-numeric:tabular-nums}
.step-card h3{font-size:18px;margin:14px 0 8px}
.step-card p{font-size:14px;color:var(--c-text-2)}
@media (max-width:991.98px){.step-row{grid-template-columns:1fr;gap:16px}}

/* ============ 主题入口卡 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:1199.98px){.topic-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:991.98px){.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.topic-grid{grid-template-columns:1fr}}
.topic-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;height:100%;color:inherit;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,107,212,.2);text-decoration:none;color:inherit}
.topic-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.topic-card:hover .thumb img{transform:scale(1.04)}
.topic-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.topic-card h3{font-size:17px}
.topic-card p{font-size:14px;color:var(--c-text-2)}
.topic-card .more{margin-top:auto;font-size:13px;color:var(--c-primary);font-weight:600}
.badge-soft{
  display:inline-flex;align-items:center;align-self:flex-start;padding:3px 10px;border-radius:999px;
  font-size:12px;background:var(--c-primary-soft);color:var(--c-primary);
}

/* ============ 提示条 ============ */
.tip-bar{
  background:var(--c-primary-soft);border:1px solid rgba(26,107,212,.16);border-radius:var(--r-card);
  padding:20px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;
}
.tip-left{display:flex;align-items:center;gap:14px;min-width:260px;flex:1}
.tip-left i{font-size:20px;color:var(--c-primary)}
.tip-left span{font-size:15px;color:var(--c-text-2)}
.tip-left strong{color:var(--c-text)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-primary);color:var(--c-primary);font-size:15px;font-weight:600;
  transition:all var(--ease);white-space:nowrap;
}
.btn-ghost:hover{background:#fff;color:var(--c-primary-dark);border-color:var(--c-primary-dark);box-shadow:0 8px 20px rgba(26,107,212,.16);text-decoration:none}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--c-primary);border:1px solid var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  transition:all var(--ease);white-space:nowrap;
}
.btn-main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(26,107,212,.24);text-decoration:none}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-foot);border-top:1px solid var(--c-border);padding:56px 0 0;margin-top:16px}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px}
.footer-brand strong{font-size:16px}
.footer-desc{font-size:14px;color:var(--c-text-2);max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--c-text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--c-text-2)}
.footer-col ul a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);align-items:flex-start}
.footer-contact i{margin-top:5px;color:var(--c-primary)}
.footer-line{height:1px;background:var(--c-border);margin:36px 0 20px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-bottom:26px}
.footer-bottom span{font-size:13px;color:var(--c-text-3)}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{font-size:13px;color:var(--c-text-3)}
.footer-links a:hover{color:var(--c-primary)}
@media (max-width:991.98px){.footer-cols{grid-template-columns:1fr 1fr;gap:26px}}
@media (max-width:575.98px){.footer-cols{grid-template-columns:1fr}.site-footer{padding-top:40px}}